111000000000985 has 8 divisors (see below), whose sum is σ = 133224589289736. Its totient is φ = 88783607141760.

The previous prime is 111000000000931. The next prime is 111000000000997. The reversal of 111000000000985 is 589000000000111.

It can be written as a sum of positive squares in 4 ways, for example, as 4139153629081 + 106860846371904 = 2034491^2 + 10337352^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111000000000985 - 2⁹ = 111000000000473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2049077586 + ... + 2049131755.

It is an arithmetic number, because the mean of its divisors is an integer number (16653073661217).

Almost surely, 2^{111000000000985} is an apocalyptic number.

It is an amenable number.

111000000000985 is a deficient number, since it is larger than the sum of its proper divisors (22224589288751).

111000000000985 is an equidigital number, since it uses as much as digits as its factorization.

111000000000985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098214763.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 111000000000985 in words is "one hundred eleven trillion, nine hundred eighty-five", and thus it is an aban number.